Evidence row 71294

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://astro.openverbs.com/v1/season"
    ]
  ],
  "name": "Astronomical season",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Determine the astronomical season for a date, based on the Sun's apparent ecliptic longitude (0°=March equinox, 90°=June solstice, …). Defaults to the northern hemisphere; pass `hemisphere` to flip.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "day": 1,
              "hemisphere": "northern",
              "month": 1,
              "year": 1
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "day": {
                      "maximum": 31,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "hemisphere": {
                      "description": "Default northern.",
                      "enum": [
                        "northern",
                        "southern"
                      ],
                      "type": "string"
                    },
                    "month": {
                      "maximum": 12,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "year": {
                      "maximum": 9999,
                      "minimum": 1,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "year",
                    "month",
                    "day"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-02T01:47:27.133Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-02T01:47:26.876Z"
    },
    "resource": "https://astro.openverbs.com/v1/season",
    "serviceName": "Astronomical season",
    "tags": [
      "astronomical season api",
      "season by date",
      "equinox solstice season",
      "solar longitude lookup",
      "hemisphere season calculator"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Determine the astronomical season for a date, based on the Sun's apparent ecliptic longitude (0°=March equinox, 90°=June solstice, …). Defaults to the northern hemisphere; pass `hemisphere` to flip."
}

What the leaf hashes

{"body":"4ce0292ddbf0e0c5881b266e722caaf9df7c4d29341b979041d2522ec848ad67","id":71294,"kind":"listing","method":"baseline/1","observed_us":1793025481921009,"prev":null,"subject":"x402_bazaar:https://astro.openverbs.com/v1/season","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x867473433e5326d884fe72122b3d438f200775cc36edacbbff277dbfb5634ef1
2. 0xd6d5864843388dd109118fb3ce5629ed1587cdc6183a03630b1291d997624589
3. 0xb95e3e57db078883bcf367998da031f7714c0acc1534324e31bc398ad092d292
4. 0x6a5ed1d652c80f7132da0e85686826d9764e4c6a5a57dbf393a77f7ea668f754
5. 0x9199967a9b505be1e199102287fbfc5815d68222ccdf6cc4f271dd87a2f88589
6. 0xd66f892debdf96e168c84b2e9b766e73bccf857b716f399c54d5491413160868
7. 0x098974a277cca8df1ad0b9895c7088218348e5670f76aa90f1ad9d5ce98bd4e1
8. 0x0c779b3aad7e35d923666513e68682d8d70721f88772acf479ddf229a3da7009
9. 0x4e48ce09ef3ec881658cd0b04646f20f7dbd2b88a35dc47c25308a93ce0d117d
10. 0x464a6f6a01f016e42ea9df2dc09f4dea1acac51b03a73fd4d04a0d7b85f9f0e7
11. 0xaa315896c61e14116f01ecf0dd5aec1ebbd01bc8562fed10b0a3e3dd6bce0924
12. 0x099dd43573993f2a1bea674129b7ed050429a0ac76c3bfda8aaf82a3af126469
13. 0x49d11be052a4c069b10250aaba214f566b3f2e5aaa7a98e82ccc6a71c0e801a0
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae